Q2 of 86 Page 150

A growing seedling is kept in the dark room. A burning candle is placed near it for a few days. The top part of the seedling bends towards the burning candle. This is an example of ____________.

Phototropism is the directional movement or orientation of plant part in response to stimulus light. As the top part of seedling i.e. plumule bends towards light so it shows positive phototropism.

More from this chapter

All 86 →
1

Design an experiment to demonstrate hydrotropism.

 1

The bending of root of a plant in response to water is called __________.

 3

The root of the plant is __________.

i) positively phototropic but negatively geotropic


ii) positively geotropic but negatively phototropic


iii) negatively phototropic but positively hydrotropic


iv) negatively hydrotropic but positively phototropic

 4

The plant part which exhibits negative geotropism is __________.